Power supply device



FIG. 1 is a front view of a power supply device of the present invention;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top perspective view thereof;

FIG. 8 is a bottom perspective view thereof;

FIG. 9 is a top plan view thereof, with the lid removed; and,

FIG. 10 is a top perspective view thereof, with the lid removed. 

CLAIM The ornamental design for a power supply device, as shown and described. 